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6. Intangibles (Tables)
9 Months Ended
Jun. 30, 2019
Goodwill and Intangible Assets Disclosure [Abstract]  
Future amortization expense related to intangible assets

The following table summarizes estimated future amortization expense related to intangible assets that have net balances as of June 30, 2019:

 

2019  $1,229,744 
2020   1,106,076 
2021   854,483 
2022   605,267 
2023   369,665 
Thereafter   1,544,748 
   $5,709,983